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The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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 SYSTEM [n%]
 
 Usage Notes
   ■ A program containing a SYSTEM statement exits to the operating system
     if run from the VBDOS command line with the /RUN option.
     See: ◄VBDOS Command-Line Options►
 
   ■ Entering a SYSTEM statement in the Immediate window terminates Visual
     Basic.
 
   ■ In a program compiled with the /O option, SYSTEM returns control to the
     operating system, returns the value of n% to the operating system, and
     closes all files. In Visual Basic, SYSTEM stops program execution and
     closes all files.